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| 型号： | ADT7310TRZ-REEL7 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 2/24页 |
| 文件大小： | 393K |
| 描述： | IC TEMP SENS 16B DGTL SPI 8SOIC |
| 标准包装： | 1,000 |
| 功能： | 温度监控系统（传感器） |
| 传感器类型： | 内部 |
| 感应温度： | -55°C ~ 150°C |
| 精确度： | ±0.5°C |
| 拓扑： | ADC（三角积分型），振荡器，寄存器库 |
| 输出类型： | SPI? |
| 输出警报： | 是 |
| 输出风扇： | 无 |
| 电源电压： | 2.7 V ~ 5.5 V |
| 工作温度： | -55°C ~ 150°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SO |
| 包装： | 带卷 (TR) |
ADT7310
Data Sheet
Rev. A | Page 2 of 24
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications ....................................................................................... 1
General Description ......................................................................... 1
Functional Block Diagram .............................................................. 1
Revision History ............................................................................... 2
Specifications ..................................................................................... 3
SPI Timing Specifications ........................................................... 4
Absolute Maximum Ratings ............................................................ 5
ESD Caution .................................................................................. 5
Pin Configuration and Function Descriptions ............................. 6
Typical Performance Characteristics ............................................. 7
Theory of Operation ........................................................................ 9
Circuit Information ...................................................................... 9
Converter Details.......................................................................... 9
Temperature Measurement ......................................................... 9
One-Shot Mode .......................................................................... 10
1 SPS Mode .................................................................................. 10
Continuous Read Mode ............................................................. 12
Shutdown ..................................................................................... 12
Fault Queue ................................................................................. 12
Temperature Data Format ......................................................... 13
Temperature Conversion Formulas ......................................... 13
Registers ........................................................................................... 14
Status Register ............................................................................. 14
Configuration Register .............................................................. 15
Temperature Value Register ...................................................... 16
ID Register................................................................................... 16
TCRIT Setpoint Register ............................................................... 16
T
HYST
Setpoint Register ............................................................... 17
T
HIGH
Setpoint Register .............................................................. 17
T
LOW
Setpoint Register ............................................................... 17
Serial Interface ................................................................................ 18
SPI Command Byte .................................................................... 18
Writing Data ............................................................................... 19
Reading Data ............................................................................... 20
Interfacing to DSPs or Microcontrollers ................................. 20
Serial Interface Reset .................................................................. 20
INT and CT Outputs ...................................................................... 21
Undertemperature and Overtemperature Detection ............ 21
Applications Information .............................................................. 23
Thermal Response Time ........................................................... 23
Supply Decoupling ..................................................................... 23
Temperature Monitoring ........................................................... 23
Outline Dimensions ....................................................................... 24
Ordering Guide .......................................................................... 24
REVISION HISTORY
12/11Rev. 0 to Rev. A
Changes to Features Section............................................................ 1
Changes to Table 1 ............................................................................ 3
Changes to Figure 6 and Figure 9 ................................................... 7
Changes to Figure 11 ........................................................................ 8
Changes to One-Shot Mode Section and 1 SPS Mode
Section .............................................................................................. 10
Changes to Shutdown Section and Figure 16 ............................. 12
Changes to Table 7 .......................................................................... 14
Changes to Table 8 .......................................................................... 15
Changes to Table 9 .......................................................................... 16
Changes to Table 12, Table 13, and Table 14 ............................... 17
Changes to Ordering Guide .......................................................... 24
4/09Revision 0: Initial Version
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